.banner{
    position: relative;
    width: 100%;
    height: 714px;
    background: url(../img/banner.jpg) no-repeat center;
    background-size: cover;
}
.banner .dot{
    position: absolute;
    left: 50%;
    bottom: 19px;
    margin-left: -60px;
}
.banner .dot span{
    float: left;
    width: 8px;
    height: 8px;
    border: 3px solid transparent;
    background-clip: content-box;
    background-color: #fff;
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
}
.banner .dot span:hover{
    border-color: #fff;
    background-color: #668aca;
}
.project .project-c{
    width: 1200px;
    margin: 0 auto;
}
.project-c .pro-nav{
    width: fit-content;
    height: 132px;
    margin: 60px auto 0;
    overflow: hidden;
}
.project-c .pro-nav .pro-nav-item{
    float: left;
    width: 98px;
    line-height: 14px;
    font-size: 14px;
    text-align: center;
}
.project-c .pro-nav .nav-line{
    width: 1px;
    height: 8px;
    float: left;
    background-color: #b5b5b5;
    margin-top: 3px;
}
.project-c .pro-nav-item .line{
    display: block;
    width: 12px;
    height: 1px;
    background-color: #688cac;
    margin: 3px auto 0;
    opacity: 0;
}
.project-c .pro-nav-item:hover a{
    font-size: 16px;
    color: #688cac;
}
.project-c .pro-nav-item:hover .line{
    opacity: 1;
}
.project-c .pro-list{
    width: 1200px;
    height: 270px;
}
.project-c .pro-item{
    position: relative;
    float: left;
    width: 360px;
    height: 270px;
    margin-right: 60px;
}
.pro-list .pro-item .bg{
     width: 360px;
     height: 180px;
}
.pro-list .pro-item .info{
    position: relative;
    width: 260px;
    height: 34px;
    margin: 28px 50px 0;
}
.pro-list .pro-item .info .city{
    height: 14px;
    line-height: 14px;
    font-size: 14px;
    margin-bottom: 7px;
}
.pro-list .pro-item .info .desc{
    height: 13px;
    line-height: 13px;
    font-size: 12px;
}
.pro-list .pro-item .info .icon{
    position: absolute;
    top: 2px;
    right: 0;
    width: 30px;
    height: 30px;
    background: url(../img/icon1.png)no-repeat center;
}
.project .pro-item .mask{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    color: #fff;
    background-color: rgba(0, 0,0, 0.5);
    border-radius: 8px;
    opacity: 0;
}
.pro-item .mask .city{
    font-size: 14px;
    line-height: 15px;
    margin-top: 58px;
    margin-left: 50px;
}
.pro-item .mask .desc{
    font-size: 12px;
    line-height: 12px;
    margin-left: 50px;
    margin-top: 4px;
}
.pro-item .mask .writings{
    font-size: 12px;
    margin-left: 50px;
    margin-top: 19px;
}
.pro-item .mask .icon{
    position: absolute;
    bottom: 50px;
    right: 30px;
    width: 40px;
    height: 40px;
    background:url(../img/icon2.png) no-repeat center;
}
.project .pro-item:hover .info{
    display: none;
}
.project .pro-item:hover .bg img{
    display: none;
}
.project .pro-item:hover .mask{
    opacity: 1;
}
.project .pro-item:hover .bg{
    height: 270px;
    background: url(../img/project.jpg)no-repeat center;
}
.product .product-c{
    width: 1200px;
    margin: 0 auto;
}
.product .product-c .pro-nav{
    width: 100%;
    overflow: hidden;
    margin-left: 57px;
    margin-bottom: 110px;
}
.product-c .pro-nav .pro-nav-item{
    float: left;
    width: 164px;
    margin-right: 60px;
    margin-top: 54px;
}
.product-c .pro-nav .img{
    position: relative;
    width: 164px;
    height: 86px;
}
.product-c .pro-nav .img.differ{
    background-color: #668aca;
}
.product-c .pro-nav .img img{
    position: absolute;
    top: 10px;
    right: 20px;
    width: 124px;
    height: 66px;
}
.product-c .pro-nav .img .d1{
    z-index: 1;
}
.product-c .pro-nav .img .d1{
    z-index: 2;
}
.product-c .pro-nav-item p{
    height: 16px;
    text-align: center;
    margin-top: 7px;
}
.product-c .pro-nav-item .cn{
    line-height: 14px;
    font-size: 14px;
}
.product-c .pro-nav-item:hover .cn{
    font-size: 16px;
    color: #668aca;
}
.product-c .pro-nav-item.differ .cn{
    font-size: 16px;
    color: #668aca;
}
.product-c .pro-nav-item .en{
    font-size: 12px;
    line-height: 10px;
}
.product-c .pro-nav-item:hover .en{
    color: #668aca;
    font-size: 10px;
}
.product-c .pro-nav-item.differ .en{
    color: #668aca;
    font-size: 10px;
}
.product-c .pro-nav-item:hover .img .d1{
    opacity: 0;
}
.product-c .pro-nav-item .line{
    display: block;
    width: 16px;
    height: 1px;
    background-color: #668aca;
    margin: 5px auto 0;
    opacity: 0;
}
.product-c .pro-nav-item:hover .line{
    opacity: 1;
}
.product-c .pro-nav-item.differ .line{
    opacity: 1;
}
.product-c .product-list{
    width: 1200px;
    overflow: hidden;
    margin-bottom: 124px;
}
.product-c .product-list .pro-item{
    position: relative;
    float: left;
    width: 360px;
    height: 360px;
    margin-right: 60px;
    cursor: pointer;
}
.product-list .pro-item .img{
    width: 360px;
    height: 320px;
}
.product-list .pro-item .info{
    width: 154px;
    height: 40px;
    margin: 0 auto;
}
.product-list .pro-item .info .en{
    line-height: 16px;
    font-size: 16px;
}
.product-list .pro-item .info .cn{
    line-height: 14px;
    font-size: 14px;
}
.product-c .product-list .mask{
    position: absolute;
    top: 0;
    left: 0;
    width: 360px;
    height: 320px;
    background: rgba(0,0, 0, 0.5);
    border-radius: 8px;
    opacity: 0;
}
.product-list .mask .line{
    position: absolute;
    width: 80px;
    height: 1px;
    background-color: #f8f8f8;
    top: 154px;
    left: 0;
}
.product-list .mask .num{
    position: absolute;
    font-size: 30px;
    line-height: 25px;
    color: #f8f8f8;
    top: 131px;
    left: 84px;
}
.product-list .mask .en{
    position: absolute;
    top: 171px;
    left: 69px;
    font-size: 16px;
    color: #f8f8f8;
}
.product-list .mask .cn{
    position: absolute;
    top: 197px;
    left: 69px;
    font-size: 14px;
    color: #f8f8f8;
}
.product-c .product-list .pro-item:hover .mask{
    opacity: 1;
}
.product-c .product-list .pro-item:hover .info{
    visibility: hidden;
}
.service{
    margin-top: 60px;
    width: 100%;
    height: 700px;
    background: url(../img/ser.jpg) no-repeat center;
    background-size: cover;
}
.service .service-c{
    width: 1200px;
    height: 700px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}
.service-c .ser-content{
    position: absolute;
    left: 0;
    top:150px;
    width: 346px;
    height: 101px;
}
.service-c .ser-content .d1{
    height: 23px;
    font-size: 30px;
    line-height: 21px;
    color: #ffffff;
}
.service-c .ser-content .d2{
    font-size: 13px;
    color: #ffffff;
    margin-top: 52px;
}
.service-c .ser-list{
    position: absolute;
    right: 0;
    bottom: 149px;
}
.service-c .ser-list .ser-item{
    float: left;
    width: 247px;
    height: 148px;
    border: 1px solid rgba(248, 248, 248,0.2);
    border-right: none;
}
.service-c .ser-list .ser-item.br{
    border-right: 1px solid rgba(248, 248, 248,0.2);
}
.service-c .ser-list .ser-item .d1{
    color: #fff;
    font-size: 16px;
    line-height: 16px;
    text-align: center;
    margin-top: 47px;
}
.service-c .ser-list .ser-item span{
    display: block;
    width: 30px;
    height: 1px;
    background-color: #ffffff;
    margin: 14px auto 0;
}
.service-c .ser-list .ser-item .d2{
    color: #ffffff;
    font-size: 12px;
    line-height: 28px;
    margin: 0 auto;
    text-align: center;
}
.service-c .ser-list .ser-item.over{
    background-color: #668aca;
    border: 1px solid #668aca;
}
.new .new-c{
    width: 1200px;
    margin: 0 auto;
}
.new-c .new-box{
    width: 1200px;
    height: 570px;
    margin: 60px auto 0;
}
.new-c .new-box .new-box1{
    float: left;
    width: 570px;
    height: 570px;
}
.new-c .new-box .new-box2{
    float: right;
    width: 570px;
    height: 570px;
}
.new-box .new-box1 .box1-bg1{
    position: relative;
    width: 100%;
    height: 270px;
}
.new-box .new-box1 .box1-bg1 .bg1-mask{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 570px;
    height: 92px;
    background: rgba(0, 0, 0, 0.5);
}
.new-box1 .box1-bg1 .bg1-mask .mask-text{
    float: left;
    color: #fff;
    margin-top: 11px;
    margin-left: 50px;
}
.new-box1 .box1-bg1 .bg1-mask .mask-text .d1{
    font-size: 16px;
    margin-bottom: 16px;
}
.new-box1 .box1-bg1 .bg1-mask .mask-text .d2{
    font-size: 12px;
    margin-bottom: 12px;
}
.new-box1 .box1-bg1 .bg1-mask .img{
    width: 30px;
    height: 30px     ;
    float: right;
    margin-top: 48px;
    margin-right: 50px;
}
.new-box .new-box1 .box1-bg2{
    margin-top: 30px;
}
.new-box .new-box1 .box1-bg2 .bg1{
    float: left;
    width: 270px;
    height: 270px;
}
.new-box .new-box1 .box1-bg2 .bg2{
    float: right;
    width: 270px;
    height: 270px;
}
.about-c{
    width: 1200px;
    margin: 60px auto 0;
    overflow: hidden;
}
.about-c .about-img{
    float: left;
    margin-bottom: 199px;
}
.about-c .about-text{
    float: right;
    font-size: 14px;
}
.about-c .about-text .a1{
    margin-top: 32px;
    height: 63px;
    line-height: 20px;
}
.about-c .about-text .a2{
    height: 38px;
    line-height: 20px;
    margin: 34px 0; 
}
.about-c .about-text .a3{
    height: 63px;
    line-height: 20px;
}